Re: 79 deville 425 coolant capacity??

Originally Posted by 1980coupe

I have always used water from the garden hose or from inside the house and never had any issues. I usually buy the full strength and then just add water to it

Not good at all! It sucks replacing freeze plugs, and regular water will corrode them. Plus you can get distilled water at the store for around a dollar. There is really no good reason at all to use regular water.